US Patent Issued to LD CARBON on June 23 for "System and method for preparing carbon black from waste tires by using pyrolysis" (South Korean, Chinese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,597, issued on June 23, was assigned to LD CARBON Co. LTD. (Dangjin-si, South Korea).

"System and method for preparing carbon black from waste tires by using pyrolysis" was invented by Young Kyung Hwang (Seoul, South Korea) and Seong Mun Baek (Gimcheon-si, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing carbon black according to the present invention comprises the steps of: pyrolyzing by heating waste tires; separating char in the pyrolyzed material from an iron-containing foreign substance; pulverizing the char into fine particles or fine powder to form carbon black; pelletizing the carbon black; cooling and drying the p...